Here are the 100 English words which many people have problems spelling!
| acceptable accidentally accommodate acquire acquit a lot amateur apparent argument atheist believe calendar category cemetery changeable collectible committed conscience conscientious conscious definite(ly) disappear discipline drunkenness embarrass | equipment exhilarate exceed existence experience fiery foreign fourth gauge generally grammar grateful guarantee harass height hierarchy ignorance immediate independent indispensable intelligence its / it's judgement knowledge leisure | library lightning maintenance manoeuvre memento millennium miniature mischievous noticeable occasion occasionally occur / occurred occurrence official parallel parliament pastime pigeon possession preferable principal / principle privilege questionnaire receive recommend | referred reference relevant religious restaurant ridiculous rhythm sandal schedule scissors sensible separate special success to / too / two tomorrow their / they're / there twelfth tyranny until vacuum vicious weather weird you're / your |